单项选择题
A.RINGS INT B.SWEEP INT C.REPEATER D.GONIOMETER
Quadrantal error in a gyrocompass has its GREATEST effe...
单项选择题Quadrantal error in a gyrocompass has its GREATEST effect（）.
A.in high latitudes B.near the equator C.on north or south headings D.on intercardinal headings
As a vessel changes course to starboard，the compass car...
单项选择题As a vessel changes course to starboard，the compass card in a magnetic compass（）.
A.remains aligned with compass north B.also turns to starboard C.first turns to starboard then counterclockwise to port D.turns counterclockwise to port
You have calibrated your RDF. When compiling the calibr...
单项选择题You have calibrated your RDF. When compiling the calibration table，the correction to be applied to any future RDF bearings is listed against the（）.
A.true bearing of the transmitter B.relative bearing of the transmitter C.heading of the vessel D.time of reception
